<template>
  <div class="mi-input1-box">
    <div class="group" :style="{'--color':color}">
      <input required="" v-bind="$attrs" class="input">
      <span class="highlight"></span>
      <span class="bar"></span>
      <label>{{label}}</label>
    </div>
  </div>
</template>

<script>
export default {
  name: "MiInput1",
  props:{

    label:{
      type:String,
      default:"标签名"
    },
    color:{
      type:String,
      // default: "rebeccapurple"
      default:"#07897D"
    }
  }
}
</script>

<style scoped>
.mi-input1-box{
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.group {
  position: relative;

}

.input {
  font-size: 16px;
  padding: 10px 10px 10px 5px;
  display: block;
  width: 200px;
  border: none;
  border-bottom: 1px solid #515151;
  background: transparent;
}

.input:focus {
  outline: none;
}

label {
  color: #696868;
  font-size: 18px;
  font-weight: normal;
  position: absolute;
  pointer-events: none;
  left: 5px;
  top: 10px;
  transition: 0.2s ease all;
  -moz-transition: 0.2s ease all;
  -webkit-transition: 0.2s ease all;
}

.input:focus ~ label, .input:valid ~ label {
  top: -20px;
  font-size: 14px;
  color: var(--color);
}

.bar {
  position: relative;
  display: block;
  width: 200px;
}

.bar:before, .bar:after {
  content: '';
  height: 2px;
  width: 0;
  bottom: 1px;
  position: absolute;
  background: var(--color);
  /*background: #5264AE;*/
  transition: 0.2s ease all;
  -moz-transition: 0.2s ease all;
  -webkit-transition: 0.2s ease all;
}

.bar:before {
  left: 50%;
}

.bar:after {
  right: 50%;
}

.input:focus ~ .bar:before, .input:focus ~ .bar:after {
  width: 50%;
}

.highlight {
  position: absolute;
  height: 60%;
  width: 100px;
  top: 25%;
  left: 0;
  pointer-events: none;
  opacity: 0.5;
}

.input:focus ~ .highlight {
  animation: inputHighlighter 0.3s ease;
}

@keyframes inputHighlighter {
  from {
    background: var(--color);
  }

  to {
    width: 0;
    background: transparent;
  }
}
</style>